"Nominal (less than 10%), Moderate (11-30%), or more?"<br><br>I think it's far less than even that 10%.<br><br>-Steve<br><br><br><div class="gmail_quote">On 9 March 2011 17:13, Max Clark <span dir="ltr"><<a href="mailto:max.clark@gmail.com">max.clark@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Advantages of Proxy Media:<br>
<br>
1) Support codecs not natively supported by FreeSWITCH<br>
2) Lower CPU resources on FreeSWITCH<br>
<br>
So for 1) I'm really only concerned with t38/fax over g711. With our<br>
current configuration faxing (although unsupported) is working just<br>
fine. What should I expect if I revert to media mode?<br>
<br>
2) If I disable transcoding, what kind of difference in resource<br>
utilization should I expect? Nominal (less than 10%), Moderate<br>
(11-30%), or more?<br>
<br>
Thanks,<br>
<font color="#888888">Max<br>
</font><div class="im"><br>
On Wed, Mar 9, 2011 at 9:02 AM, Kristian Kielhofner <<a href="mailto:kris@kriskinc.com">kris@kriskinc.com</a>> wrote:<br>
</div><div><div></div><div class="h5">> If your intention is to *strictly* hide topology proxy media will<br>
> rewrite the IP address in the SDP but that's about it. Technically<br>
> that counts as "topology hiding". Other SDP parameters, however, will<br>
> pass through and leak various bits of information about the endpoints<br>
> behind the SBC:<br>
><br>
> - Codec support<br>
> - Payload types<br>
> - Other "random" various SDP parameters<br>
><br>
> Most real SBCs will rewrite the entire SDP (as FS does by default).<br>
><br>
> Another thing to consider - the vast majority of FS users do not use<br>
> proxy media (and most that do use it incorrectly). This leaves you<br>
> open to the possibility that you'll experience strange edge case bugs<br>
> using a media mode different from the majority of the rest of the FS<br>
> user base.<br>
><br>
> On Wed, Mar 9, 2011 at 10:52 AM, Max Clark <<a href="mailto:max.clark@gmail.com">max.clark@gmail.com</a>> wrote:<br>
>> Hello,<br>
>><br>
>> I have a couple of FreeSWITCH boxes functioning as SBCs on our<br>
>> network. We need them to:<br>
>><br>
>> - Route Calls<br>
>> - Function as B2BUAs for call logging<br>
>> - Hide topology from the endpoints<br>
>><br>
>> They do not need to:<br>
>><br>
>> - Intercept/play audio<br>
>> - Manipulate the SDP<br>
>> - Transcode<br>
>> - Process anything other than SIP<br>
>><br>
>> So these machines have been running with Proxy Media enabled in the<br>
>> dialplan. Is the the proper/recommended way of configuring for our<br>
>> environment/needs? Is the minimal gain of resources by not processing<br>
>> the RTP worth it?<br>
>><br>
>> Thanks,<br>
>> Max<br>
><br>
><br>
><br>
> --<br>
> Kristian Kielhofner<br>
><br>
<br>
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